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Spacewatch asteroid trackers use the 90 inch Bok telescope atop Kitt Peak to look for wayward space rocks.

Arizona asteroid hunters detected space rock that fell over Russia

The team used a University of Arizona telescope to track the object to its fiery fate.
International scientists, Alexander Werth, from left, professor Joy Reidenberg and Michael Denk study a male spade-toothed whale ahead of a dissection at Invermay Agricultural Centre, Mosgiel, near Dunedin, New Zealand, Monday, Dec. 2, 2024.

Scientists gather to decode puzzle of the world's rarest whale in 'extraordinary' New Zealand study

The creature, which washed up dead on a beach on New Zealand's South Island in July, is only the seventh specimen ever found.
Illustration of the Parker Solar Probe flyby of the Sun.

Parker Solar Probe making history six years after launch

Robotic explorer is the first to sail through the sun's atmosphere.
Bo Yang, UA professor of landscape architecture and urban planning at the Campus Agricultural Center in Tucson, Ariz., on Wednesday, Nov. 13, 2014. Yang is a faculty advisor for the Smart Tree Watering project.

UA tree watering project aims to conserve water and reduce urban heat

From rainwater harvesting to mulching, researchers find ways to grow resilient trees.
Aspen trees atop Mt. Lemmon.

Autumn among the aspens.

Also on Arizona Spotlight: Lyse Doucet, chief international correspondent for the BBC, receives the 2024 Zenger Award for Press Freedom from the UA School of Journalism; and Richard Cachor Taylor's talks about his book "Birds of Arizona".
Scientists used a gumball machine filled with toys to test how toddlers learned when they thought something was impossible or just improbable.

Impossible, you say? Try asking a toddler

Even toddlers can tell an event that is improbable from one that appears impossible.
Vikki, from "The Crone Body".

The unspoken beauty of aging in "The Crone Body".

Also on Arizona Spotlight: : "Bad Art Night" at the Arizona Science Center offers people a chance to explore their curious side; and an asylum seeker shares his welcome to Tucson.
Photo of Europa from NASA's Galileo spacecraft, 1998.

New NASA spacecraft ready to launch toward Jupiter moon Europa

Europa Clipper will observe surface features that could conceal a vast ocean.
Comb jellies fused together.

A jellyfish with a superpower — it can fuse with another and become one

Comb jelly fusion has been observed before, but this is the first time that scientists have documented the individuals behaving as one.
Electric vehicle charging.

UA research focuses on making lithium ion batteries safer

Fires that break out because of overheating batteries is causing concern for electric car drivers.
A photo of a rare octopus species, nicknamed the Casper octopus, was captured almost three miles below the Ocean's surface in the southeast Pacific Ocean off the coast of Chile.

A newly mapped underwater mountain could be home to 20 new species

The potentially new species, which have yet to be officially confirmed, include a sea urchin, starfish and a squat lobster.
A syringe draws fluid from a vial.

Updated COVID vaccines are coming soon

The new COVID vaccines are designed to keep the shots up to date with the virus, which keeps evolving to evade our immune systems.
Saguaros leading the way up Agua Caliente Hill

Giant old saguaros can be resilient. It's baby saguaros researchers are worried about

Human-caused climate change is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive.
Archeologist Dr. Deni Seymour at work in the desert unearthing artifacts.

Discovering dynamic history in "Coronado: The New Evidence".

Also on Arizona Spotlight: Simon Donovan shares a story about a beloved dog named Betty.
Antarctica landscape.

Satellites help researchers measure climate effects in Antarctica

Scientists are using data from orbit to keep track of snowfall and ice melt in the region.
This PET image shows the brain of a Colombian man whose memory and thinking remained intact in his late 60s, even though he carried a rare gene variant that nearly always causes Alzheimer's in a person's 40s.

A protein called Reelin keeps popping up in brains that resist aging and Alzheimer’s

A key protein called Reelin may help stave off Alzheimer's disease, according to a growing body of research.

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